Run --gc-sections tests only if supported.

[deliverable/binutils-gdb.git] / bfd / elf32-m32r.c

diff --git a/bfd/elf32-m32r.c b/bfd/elf32-m32r.c
index 28eff7666ceaf4216cd81ad20e510f05c3071a97..51ef61e6b4980b1165628a3e747ada923a2692c2 100644 (file)
--- a/bfd/elf32-m32r.c
+++ b/bfd/elf32-m32r.c
@@ -1,6 +1,6 @@
 /* M32R-specific support for 32-bit ELF.
    Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
-   2006, 2007, 2008, 2009, 2010  Free Software Foundation, Inc.
+   2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
 
    This file is part of BFD, the Binary File Descriptor library.
 
@@ -1977,12 +1977,6 @@ allocate_dynrelocs (struct elf_link_hash_entry *h, void * inf)
   if (h->root.type == bfd_link_hash_indirect)
     return TRUE;
 
-  if (h->root.type == bfd_link_hash_warning)
-    /* When warning symbols are created, they **replace** the "real"
-       entry in the hash table, thus we never get to see the real
-       symbol in a hash traversal.  So look at it now.  */
-    h = (struct elf_link_hash_entry *) h->root.u.i.link;
-
   info = (struct bfd_link_info *) inf;
   htab = m32r_elf_hash_table (info);
   if (htab == NULL)
@@ -2169,9 +2163,6 @@ readonly_dynrelocs (struct elf_link_hash_entry *h, void * inf)
   struct elf_m32r_link_hash_entry *eh;
   struct elf_m32r_dyn_relocs *p;
 
-  if (h->root.type == bfd_link_hash_warning)
-    h = (struct elf_link_hash_entry *) h->root.u.i.link;
-
   eh = (struct elf_m32r_link_hash_entry *) h;
   for (p = eh->dyn_relocs; p != NULL; p = p->next)
     {
@@ -2626,15 +2617,8 @@ m32r_elf_relocate_section (bfd *output_bfd ATTRIBUTE_UNUSED,
        }
 
       if (sec != NULL && elf_discarded_section (sec))
-       {
-         /* For relocs against symbols from removed linkonce sections,
-            or sections discarded by a linker script, we just want the
-            section contents zeroed.  Avoid any special processing.  */
-         _bfd_clear_contents (howto, input_bfd, contents + rel->r_offset);
-         rel->r_info = 0;
-         rel->r_addend = 0;
-         continue;
-       }
+       RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
+                                        rel, relend, howto, contents);
 
       if (info->relocatable && !use_rel)
        {
@@ -2897,7 +2881,7 @@ m32r_elf_relocate_section (bfd *output_bfd ATTRIBUTE_UNUSED,
             case R_M32R_HI16_ULO_RELA:
             case R_M32R_LO16_RELA:
               if (info->shared
-                  && r_symndx != 0
+                  && r_symndx != STN_UNDEF
                   && (input_section->flags & SEC_ALLOC) != 0
                   && ((   r_type != R_M32R_10_PCREL_RELA
                        && r_type != R_M32R_18_PCREL_RELA
@@ -4034,39 +4018,6 @@ static const struct bfd_elf_special_section m32r_elf_special_sections[] =
   { NULL,                     0,  0, 0,            0 }
 };
 
-static bfd_boolean
-m32r_elf_fake_sections (bfd *abfd,
-                       Elf_Internal_Shdr *hdr ATTRIBUTE_UNUSED,
-                       asection *sec)
-{
-  /* The generic elf_fake_sections will set up REL_HDR using the
-     default kind of relocations.  But, we may actually need both
-     kinds of relocations, so we set up the second header here.
-
-     This is not necessary for the O32 ABI since that only uses Elf32_Rel
-     relocations (cf. System V ABI, MIPS RISC Processor Supplement,
-     3rd Edition, p. 4-17).  It breaks the IRIX 5/6 32-bit ld, since one
-     of the resulting empty .rela.<section> sections starts with
-     sh_offset == object size, and ld doesn't allow that.  While the check
-     is arguably bogus for empty or SHT_NOBITS sections, it can easily be
-     avoided by not emitting those useless sections in the first place.  */
-  if ((sec->flags & SEC_RELOC) != 0)
-    {
-      struct bfd_elf_section_data *esd;
-      bfd_size_type amt = sizeof (Elf_Internal_Shdr);
-
-      esd = elf_section_data (sec);
-      BFD_ASSERT (esd->rel_hdr2 == NULL);
-      esd->rel_hdr2 = bfd_zalloc (abfd, amt);
-      if (!esd->rel_hdr2)
-        return FALSE;
-      _bfd_elf_init_reloc_shdr (abfd, esd->rel_hdr2, sec,
-                                !sec->use_rela_p);
-    }
-
-  return TRUE;
-}
-
 static enum elf_reloc_type_class
 m32r_elf_reloc_type_class (const Elf_Internal_Rela *rela)
 {
@@ -4128,7 +4079,6 @@ m32r_elf_reloc_type_class (const Elf_Internal_Rela *rela)
 #else
 #define elf_backend_default_use_rela_p  1
 #define elf_backend_may_use_rela_p      1
-#define elf_backend_fake_sections       m32r_elf_fake_sections
 #endif
 
 #define elf_backend_object_p                   m32r_elf_object_p